Cusick No.1 is a privately owned Earth dam located in Juneau, Wisconsin, along the Tiedtke Valley Creek. Built in 1970 by the USDA NRCS, this dam stands at a height of 31.4 feet and has a storage capacity of 100 acre-feet, with a normal storage level of 60 acre-feet. The dam's primary purpose is classified as "Other," and it serves as a vital component in managing water resources in the area.

Despite being categorized as a low hazard potential structure with fair condition assessment, Cusick No.1 is subject to regular state inspection and enforcement by the Wisconsin Department of Natural Resources. The dam features a controlled spillway with a width of 17 feet, and can discharge up to 33 cubic feet per second in case of excess water flow. The risk assessment for this dam is rated as "Very High (1)," highlighting the importance of ongoing monitoring and risk management measures in place.

With its strategic location and function in regulating water flow along the Tiedtke Valley Creek, Cusick No.1 plays a crucial role in mitigating potential flood risks and ensuring water resource sustainability in the region. Its association with the USDA NRCS and adherence to state regulatory standards underscore its commitment to effective dam management practices, making it a significant asset for water resource and climate enthusiasts to monitor and study.